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44,975
RESULTS

Media Type
1
collections
43,941
texts
368
audio
332
images
323
movies
9
data
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Topics & Subjects
39,441
Pollution
38,550
EPA
38,540
Environmental Protection Agency
38,540
Mining
38,538
Gold King Mine
38,538
Gold King Mine disaster
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Collection
38,555
National Security Internet Archive (NSIA)
2,052
NASA Network Resource and Training Site
1,017
Education Resources Information Center (ERIC) Archive
876
American Libraries
665
Defense Technical Information Archive
346
NASA Images
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Creator
38,538
environmental protection agency
2,052
nasa technical reports server (ntrs)
1,017
eric
665
defense technical information center
320
nasa/langley research center
125
water resources scientific information center
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Language
44,077
English
17
French
10
German
7
Hindi
3
Chinese
3
Spanish
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